<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    *{
      margin: 0;
      padding: 0;
    }
    .wrap{
      width: 100%;
      height: 500px;
      background-color: rgb(211, 255, 196);
      margin-top: 150px;
      overflow: auto;
    }
    .box{
      width: 100%;
      height: 200px;
      background-color: brown;
      margin-top: 100px;
    }
  </style>
</head>
<body>
  <div class="wrap">
    <div class="box"></div>
  </div>
</body>
</html>